/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.    
 */

package org.apache.bifromq.baserpc.client.exception;

import io.grpc.Status;
import io.grpc.StatusRuntimeException;

public class ExceptionUtil {
    public static final Status SERVER_NOT_FOUND =
        Status.UNAVAILABLE.withDescription("direct targeted server not found");
    public static final Status SERVER_UNREACHABLE =
        Status.UNAVAILABLE.withDescription("server is unreachable now");

    public static Throwable toConcreteException(Throwable throwable) {
        if (throwable instanceof StatusRuntimeException statusRuntimeException) {
            if (statusRuntimeException.getStatus().equals(SERVER_NOT_FOUND)) {
                return new ServerNotFoundException(throwable);
            }
            if (statusRuntimeException.getStatus().equals(SERVER_UNREACHABLE)) {
                return new ServerNotFoundException(throwable);
            }
            if (statusRuntimeException.getStatus().equals(Status.CANCELLED)) {
                return new RequestCanceledException(throwable);
            }
        }
        return throwable;
    }
}
